Scanner



FIG. 1 is a front perspective view of a scanner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is an enlarged fragmentary front perspective thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are environmental only and form no part of the claimed design. 

The ornamental design for a scanner, as shown and described. 